While Gonzaga continued its reign of dominance over the West Coast Conference and Baylor managed to scrape by Oklahoma State, teams ranked Nos. 3-5 went a combined 0-6 over the last week.

Duke's down week began with a 79-72 loss at Clemson that had fans storming the court and concluded with a near-identical 79-73 defeat at home to Louisville. The Blue Devils had won nine straight dating back to their upset loss to Stephen F. Austin, but Duke turned the ball over a combined 31 times in the pair of losses.

Coach Mike Krzyzewski seemed frustrated by the lack of whistles against Louisville, comparing the game to an early-'90s Bulls-Pistons matchup.

"They're good. They're really good. [David] Johnson was terrific in the first half. With the depth that they have and the experience—they outplayed us, especially in those first 10 minutes. Our kids fought like crazy and put us in a position to win. But the term 'freedom of movement' was not alive and well tonight. That said, I hope we don't have the rest of the conference like that. That's not good basketball. They played great—I don't want to take away from them. That's just not ... For both of us, you can't have that."

Auburn's streak of 15 straight wins to start the season ended with a pair of ugly losses at Alabama and Florida. The Tigers were outscored by a combined 41 points and did not look competitive in either contest.

"Obviously, there's a pretty big price on our head," Auburn coach Bruce Pearl told reporters. "We're ranked fourth in the country. Obviously, that's not going to last much longer. I think we've got to respond to the step-up that we saw this week from both Alabama and Florida."

Butler went from the class of the Big East to fourth in the conference with a home loss to Seton Hall and a road loss to DePaul.

Five Top 10 teams suffered at least one loss, and 13 teams in the Top 25 overall dropped a game.

Four new teams entered the rankings, led by No. 19 Iowa. No. 22 Arizona, No. 24 Rutgers and No. 25 Houston round out the newbies.